Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanis II NEET>Chapter 5 - Mechanical Properties of Fluids>TOPICWISE QUESTIONS>Q 88

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If a water drop is kept between two glass plates, then its shape is

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Important Questions on Mechanical Properties of Fluids

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Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanis II NEET>Chapter 5 - Mechanical Properties of Fluids>TOPICWISE QUESTIONS>Q 36

The bob of a simple pendulum executes simple harmonic motion in water with a period

t

, while the period of oscillation of the bob is

t_{0}

in air. Neglecting frictional force of water and given that the density of the bob is

(\frac{4}{3})

\times 10^{3} kg m^{- 3}

, which relationship between

t

and

t_{0}

is true?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanis II NEET>Chapter 5 - Mechanical Properties of Fluids>TOPICWISE QUESTIONS>Q 53

In a laminar flow, the velocity of the liquid in contact with the walls of the tube is

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Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanis II NEET>Chapter 5 - Mechanical Properties of Fluids>TOPICWISE QUESTIONS>Q 89

Two capillary tubes of the same diameter are put vertically, one each in two liquids whose relative densities are

0.8

and

0.6

and surface tensions are

60 dyne {cm}^{- 1}

and

50 dyne {cm}^{- 1}

, respectively. Ratio of heights of liquids in the two tubes is,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanis II NEET>Chapter 5 - Mechanical Properties of Fluids>TOPICWISE QUESTIONS>Q 90

Work done in increasing the size of a soap bubble from a radius of $3 cm$ to $5 cm$ is nearly

( $Surface tension of soap solution = 0.03 N m^{- 1}$ )

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Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanis II NEET>Chapter 5 - Mechanical Properties of Fluids>TOPICWISE QUESTIONS>Q 91

Two mercury drops (each of radius

r

) merge to form a bigger drop. The surface energy of the bigger drop, if

T

is the surface tension, is

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Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanis II NEET>Chapter 5 - Mechanical Properties of Fluids>TOPICWISE QUESTIONS>Q 92

Which of the following is possible?